navigator.sendBeacon 在 Internet Explorer 浏览器中不起作用

Question

i have write form unload event inside proxy code is not working in internet explore browser.

Example:

$(window).unload(function () {
$.ajax({ type: 'POST', url: 'WebAPI/api/Values/Get?id=1', contentType: "application/json; charset=utf-8", dataType: 'json', async: true, //blocks window close success: function () { alert('sucess'); }, error: function () { alert('error'); } });
});

Answer 1

Internet Explorer is an obsolete browser. It doesn't have a lot of modern web features, including the beacon API ( caniuse ). You could feature-detect the beacon API and fall back to XMLHttpRequest .